0th or zeroth may refer to:
Mathematics, science and technology
* 0th or zeroth, an ordinal for the number
0
*
0th dimension, a topological space
*
0th element
Zero-based numbering is a way of numbering in which the initial element of a sequence is assigned the index 0, rather than the index 1 as is typical in everyday non-mathematical or non-programming circumstances. Under zero-based numberi ...
, of a data structure in computer science
*
0th law of Thermodynamics
*
Zeroth (software), deep learning software for mobile devices
Other uses
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0th grade
Kindergarten is a preschool educational approach based on playing, singing, practical activities such as drawing, and social interaction as part of the transition from home to school. Such institutions were originally made in the late 18th cent ...
, another name for kindergarten
*
January 0
Several non-standard dates are used in calendars for various purposes: some are expressly fictional, some are intended to produce a rhetorical effect (such as sarcasm), and others attempt to address a particular mathematical, scientific or accou ...
or , an alternate name for December 31
*
0 Avenue, a road in British Columbia straddling the Canada-US border
See also
*
OTH (disambiguation) (with a letter O)
*
Zeroth law (disambiguation) Zeroth law may refer to:
* Zeroth law of black hole thermodynamics, about event horizons of black holes
* Zeroth law of robotics, an addition to Isaac Asimov's Three Laws of Robotics
* Zeroth law of thermodynamics
The zeroth law of thermodynam ...
*
Zeroth-order (disambiguation) Zeroth-order may refer to:
*Zeroth-order approximation, a rough approximation
*Zeroth-order logic
The propositional calculus is a branch of logic. It is also called propositional logic, statement logic, sentential calculus, sentential logic, or ...
{{Letter-Number Combination Disambiguation